doesn't go down the wrong place, that those rags can be reused, you can rinse things, stack them, collect them, and use them again. so, sustainability and environmental responsibility i would say is really good. but that would be pretty cool dancing and painting. (applause) >> anybody else? all right. do we have questions here in the audience? i see somebody, okay, coming over here. not only are we here to tackle graffiti, but we're going to tackle mic issues, too. they're setting up another mic. we might be able to use two mics again. you want to stand up? >> first, thanks for coming. this has been amazing. i'm with a group called big picture. we also work with kids, trying to deal with this problem of the source. we teach the young offenders, especially on campus, prepare their own canvas and get to make art without victims.